Process for disposing of solvent-containing liquids

Details Process for disposing of solvent-containing liquids Process for disposing of solvent-containing liquids

2005-10-18

2005-10-18

Silverman, Stanley S. (Department: 1754)

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

C588S252000, C588S256000, C044S271000, C264S004300, C264S004700

Reexamination Certificate

active

06955638

ABSTRACT:
A process for disposing of solvent-containing liquids so that they do not contaminate ground water. An absorbent blend is mixed into a water-containing solvent mixture at the rate of about 1 lb. of blend per gallon of liquid. The blend is made up of a swellable polymer, consisting of polyacrylamide/polyacrylate co-polymer salt or poly 2-propenamide-co-2-propenoic acid homopolymer salt which swells and absorbs liquid. The blend also contains a mixture of solid absorbents. The resulting mixture is stirred in the container until it becomes thick and then it is allowed to set to provide a disposable modeling clay-like solid. The resulting solid material, after curing, may be then simply added to solid trash, and thus, be freed from contaminating ground water.

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